ANZ journal of surgery · 2001
In situ and small invasive breast cancer register in Victoria, 1988 to 1992: tumour characteristics and patient management.
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Giles G, Russell I, Reed R, Marr G, Kavanagh A
Аннотация
BACKGROUND: All cases of in situ and invasive breast cancer are reported to the Victorian Cancer Registry. In 1988 a special subregister of all cases of carcinoma in situ and small invasive cancers up to 10 mm in size was established--the In situ and Small Invasive Breast Cancer Register (ISSIBCR). This was unique in being a population-based register and only possible because in Victoria, as in some other Australian states, all cancers including in situ disease are reported to the Central Cancer Registry.
METHODS: Between 1 January 1988 and 31 December 1992, 517 cases of in situ cancers and 892 invasive cancers of < or =10 mm in diameter were registered. During the study period, mammography screening was progressively introduced in Victoria and the number of cases, in both categories registered annually, doubled.
RESULTS: The method of detection, the pathology and treatment of these lesions are described. It is of interest that 46.5% of the in situ cancers and 68.8% of the invasive cancers were detected either by the patient or her doctor on clinical examination. Total mastectomy was the method of treatment in 35.4% of in situ cancers and 42.0% of small invasive tumours. Only 38.0% of patients with small invasive cancers treated by breast-conserving surgery had irradiation of the affected breast.
CONCLUSIONS: This register provides a valuable resource for the follow up of the natural history and outcome of treatment of the affected women.
METHODS: Between 1 January 1988 and 31 December 1992, 517 cases of in situ cancers and 892 invasive cancers of < or =10 mm in diameter were registered. During the study period, mammography screening was progressively introduced in Victoria and the number of cases, in both categories registered annually, doubled.
RESULTS: The method of detection, the pathology and treatment of these lesions are described. It is of interest that 46.5% of the in situ cancers and 68.8% of the invasive cancers were detected either by the patient or her doctor on clinical examination. Total mastectomy was the method of treatment in 35.4% of in situ cancers and 42.0% of small invasive tumours. Only 38.0% of patients with small invasive cancers treated by breast-conserving surgery had irradiation of the affected breast.
CONCLUSIONS: This register provides a valuable resource for the follow up of the natural history and outcome of treatment of the affected women.